A couple of platforms have some last-minute fixes for 6.7, in particular
- riscv gets some fixes for noncoherent DMA on the renesas and thead
platforms and dts fix for SPI on the visionfive 2 board
- Qualcomm Snapdragon gets three dts fixes to address board specific
regressions on the pmic and gpio nodes
- Rockchip platforms get multiple dts fixes to address issues on
the recent rk3399 platform as well as the older rk3128 platform
that apparently regressed a while ago.
- TI OMAP gets some trivial code and dts fixes and a regression fix
for the omap1 ams-delta modem
- NXP i.MX firmware has one fix for a use-after-free but in its
error handling.
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Merge tag 'soc-fixes-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"A couple of platforms have some last-minute fixes, in particular:
- riscv gets some fixes for noncoherent DMA on the renesas and thead
platforms and dts fix for SPI on the visionfive 2 board
- Qualcomm Snapdragon gets three dts fixes to address board specific
regressions on the pmic and gpio nodes
- Rockchip platforms get multiple dts fixes to address issues on the
recent rk3399 platform as well as the older rk3128 platform that
apparently regressed a while ago.
- TI OMAP gets some trivial code and dts fixes and a regression fix
for the omap1 ams-delta modem
- NXP i.MX firmware has one fix for a use-after-free but in its error
handling"
* tag 'soc-fixes-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits)
soc: renesas: ARCH_R9A07G043 depends on !RISCV_ISA_ZICBOM
riscv: only select DMA_DIRECT_REMAP from RISCV_ISA_ZICBOM and ERRATA_THEAD_PBMT
riscv: RISCV_NONSTANDARD_CACHE_OPS shouldn't depend on RISCV_DMA_NONCOHERENT
riscv: dts: thead: set dma-noncoherent to soc bus
arm64: dts: rockchip: Fix i2s0 pin conflict on ROCK Pi 4 boards
arm64: dts: rockchip: Add i2s0-2ch-bus-bclk-off pins to RK3399
clk: ti: Fix missing omap5 mcbsp functional clock and aliases
clk: ti: Fix missing omap4 mcbsp functional clock and aliases
ARM: OMAP1: ams-delta: Fix MODEM initialization failure
soc: renesas: Make ARCH_R9A07G043 depend on required options
riscv: dts: starfive: visionfive 2: correct spi's ss pin
firmware/imx-dsp: Fix use_after_free in imx_dsp_setup_channels()
ARM: OMAP: timer32K: fix all kernel-doc warnings
ARM: omap2: fix a debug printk
ARM: dts: rockchip: Fix timer clocks for RK3128
ARM: dts: rockchip: Add missing quirk for RK3128's dma engine
ARM: dts: rockchip: Add missing arm timer interrupt for RK3128
ARM: dts: rockchip: Fix i2c0 register address for RK3128
arm64: dts: rockchip: set codec system-clock-fixed on px30-ringneck-haikou
arm64: dts: rockchip: use codec as clock master on px30-ringneck-haikou
...
- Fix the handling of the phycal timer offset when FEAT_ECV
and CNTPOFF_EL2 are implemented.
- Restore the functionnality of Permission Indirection that
was broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
MIPS:
- Fix W=1 build.
s390:
- One small fix for gisa to avoid stalls.
x86:
- Truncate writes to PMU counters to the counter's width to avoid spurious
overflows when emulating counter events in software.
- Set the LVTPC entry mask bit when handling a PMI (to match Intel-defined
architectural behavior).
- Treat KVM_REQ_PMI as a wake event instead of queueing host IRQ work to
kick the guest out of emulated halt.
- Fix for loading XSAVE state from an old kernel into a new one.
- Fixes for AMD AVIC
selftests:
- Play nice with %llx when formatting guest printf and assert statements.
- Clean up stale test metadata.
- Zero-initialize structures in memslot perf test to workaround a suspected
"may be used uninitialized" false positives from GCC.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix the handling of the phycal timer offset when FEAT_ECV and
CNTPOFF_EL2 are implemented
- Restore the functionnality of Permission Indirection that was
broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
MIPS:
- Fix W=1 build
s390:
- One small fix for gisa to avoid stalls
x86:
- Truncate writes to PMU counters to the counter's width to avoid
spurious overflows when emulating counter events in software
- Set the LVTPC entry mask bit when handling a PMI (to match
Intel-defined architectural behavior)
- Treat KVM_REQ_PMI as a wake event instead of queueing host IRQ work
to kick the guest out of emulated halt
- Fix for loading XSAVE state from an old kernel into a new one
- Fixes for AMD AVIC
selftests:
- Play nice with %llx when formatting guest printf and assert
statements
- Clean up stale test metadata
- Zero-initialize structures in memslot perf test to workaround a
suspected 'may be used uninitialized' false positives from GCC"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits)
KVM: arm64: timers: Correctly handle TGE flip with CNTPOFF_EL2
KVM: arm64: POR{E0}_EL1 do not need trap handlers
KVM: arm64: Add nPIR{E0}_EL1 to HFG traps
KVM: MIPS: fix -Wunused-but-set-variable warning
KVM: arm64: pmu: Drop redundant check for non-NULL kvm_pmu_events
KVM: SVM: Fix build error when using -Werror=unused-but-set-variable
x86: KVM: SVM: refresh AVIC inhibition in svm_leave_nested()
x86: KVM: SVM: add support for Invalid IPI Vector interception
x86: KVM: SVM: always update the x2avic msr interception
KVM: selftests: Force load all supported XSAVE state in state test
KVM: selftests: Load XSAVE state into untouched vCPU during state test
KVM: selftests: Touch relevant XSAVE state in guest for state test
KVM: x86: Constrain guest-supported xfeatures only at KVM_GET_XSAVE{2}
x86/fpu: Allow caller to constrain xfeatures when copying to uabi buffer
KVM: selftests: Zero-initialize entire test_result in memslot perf test
KVM: selftests: Remove obsolete and incorrect test case metadata
KVM: selftests: Treat %llx like %lx when formatting guest printf
KVM: x86/pmu: Synthesize at most one PMI per VM-exit
KVM: x86: Mask LVTPC when handling a PMI
KVM: x86/pmu: Truncate counter value to allowed width on write
...
Commit 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on
rk3399") modified i2s0 to switch the corresponding pins off when idle.
For the ROCK Pi 4 boards, this means that i2s0 has the following pinctrl
setting:
pinctrl-names = "bclk_on", "bclk_off";
pinctrl-0 = <&i2s0_2ch_bus>;
pinctrl-1 = <&i2s0_8ch_bus_bclk_off>;
Due to this change, i2s0 fails to probe on my Radxa ROCK 4SE and ROCK Pi
4B boards:
rockchip-pinctrl pinctrl: pin gpio3-29 already requested by leds; cannot claim for ff880000.i2s
rockchip-pinctrl pinctrl: pin-125 (ff880000.i2s) status -22
rockchip-pinctrl pinctrl: could not request pin 125 (gpio3-29) from group i2s0-8ch-bus-bclk-off on device rockchip-pinctrl
rockchip-i2s ff880000.i2s: Error applying setting, reverse things back
rockchip-i2s ff880000.i2s: bclk disable failed -22
A pin requested for i2s0_8ch_bus_bclk_off has already been requested by
user_led2, so whichever driver probes first will have the pin allocated.
The hardware uses 2-channel i2s so fix this error by setting pinctl-1 to
i2s0_2ch_bus_bclk_off which doesn't contain the pin allocated to user_led2.
I checked the schematics for all Radxa boards based on ROCK Pi 4 and this
change is compatible with all boards.
Fixes: 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Link: https://lore.kernel.org/r/20231013114737.494410-3-chris.obbard@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Commit 0efaf80783 ("arm64: dts: rockchip: add i2s0-2ch-bus pins on
rk3399") introduced a pinctl for i2s0 in two-channel mode. Commit
91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
modified i2s0 to switch the corresponding pins off when idle.
Although an idle pinctrl node was added for i2s0 in 8-channel mode, a
similar idle pinctrl node for i2s0 in 2-channel mode was not added. Add
it.
Fixes: 91419ae042 ("arm64: dts: rockchip: use BCLK to GPIO switch on rk3399")
Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Link: https://lore.kernel.org/r/20231013114737.494410-2-chris.obbard@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This fixes an error with an incorrect gpio-ranges preventing the PMIC
GPIO instances from being registered on SA877P, and fixes a regression
from a refactoring of the top-level clocks node that caused divclocks to
no longer probe on a few of the MSM8996 devices.
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Merge tag 'qcom-arm64-fixes-for-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 DeviceTree fixes for v6.6
This fixes an error with an incorrect gpio-ranges preventing the PMIC
GPIO instances from being registered on SA877P, and fixes a regression
from a refactoring of the top-level clocks node that caused divclocks to
no longer probe on a few of the MSM8996 devices.
* tag 'qcom-arm64-fixes-for-6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: msm8996-xiaomi: fix missing clock populate
arm64: dts: qcom: apq8096-db820c: fix missing clock populate
arm64: dts: qcom: sa8775p: correct PMIC GPIO label in gpio-ranges
Link: https://lore.kernel.org/r/20231015180112.853805-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Fix the handling of the phycal timer offset when FEAT_ECV
and CNTPOFF_EL2 are implemented.
- Restore the functionnality of Permission Indirection that
was broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
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Merge tag 'kvmarm-fixes-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.6, take #2
- Fix the handling of the phycal timer offset when FEAT_ECV
and CNTPOFF_EL2 are implemented.
- Restore the functionnality of Permission Indirection that
was broken by the Fine Grained Trapping rework
- Cleanup some PMU event sharing code
Previous releases - regressions:
- af_packet: fix fortified memcpy() without flex array.
- tcp: fix crashes trying to free half-baked MTU probes
- xdp: fix zero-size allocation warning in xskq_create()
- can: sja1000: always restart the tx queue after an overrun
- eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp
- eth: nfp: avoid rmmod nfp crash issues
- eth: octeontx2-pf: fix page pool frag allocation warning
Previous releases - always broken:
- mctp: perform route lookups under a RCU read-side lock
- bpf: s390: fix clobbering the caller's backchain in the trampoline
- phy: lynx-28g: cancel the CDR check work item on the remove path
- dsa: qca8k: fix qca8k driver for Turris 1.x
- eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()
- eth: ixgbe: fix crash with empty VF macvlan list
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from CAN and BPF.
We have a regression in TC currently under investigation, otherwise
the things that stand off most are probably the TCP and AF_PACKET
fixes, with both issues coming from 6.5.
Previous releases - regressions:
- af_packet: fix fortified memcpy() without flex array.
- tcp: fix crashes trying to free half-baked MTU probes
- xdp: fix zero-size allocation warning in xskq_create()
- can: sja1000: always restart the tx queue after an overrun
- eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp
- eth: nfp: avoid rmmod nfp crash issues
- eth: octeontx2-pf: fix page pool frag allocation warning
Previous releases - always broken:
- mctp: perform route lookups under a RCU read-side lock
- bpf: s390: fix clobbering the caller's backchain in the trampoline
- phy: lynx-28g: cancel the CDR check work item on the remove path
- dsa: qca8k: fix qca8k driver for Turris 1.x
- eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()
- eth: ixgbe: fix crash with empty VF macvlan list"
* tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
rswitch: Fix imbalance phy_power_off() calling
rswitch: Fix renesas_eth_sw_remove() implementation
octeontx2-pf: Fix page pool frag allocation warning
nfc: nci: assert requested protocol is valid
af_packet: Fix fortified memcpy() without flex array.
net: tcp: fix crashes trying to free half-baked MTU probes
net/smc: Fix pos miscalculation in statistics
nfp: flower: avoid rmmod nfp crash issues
net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read
ethtool: Fix mod state of verbose no_mask bitset
net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
mctp: perform route lookups under a RCU read-side lock
net: skbuff: fix kernel-doc typos
s390/bpf: Fix unwinding past the trampoline
s390/bpf: Fix clobbering the caller's backchain in the trampoline
net/mlx5e: Again mutually exclude RX-FCS and RX-port-timestamp
net/smc: Fix dependency of SMC on ISM
ixgbe: fix crash with empty VF macvlan list
net/mlx5e: macsec: use update_pn flag instead of PN comparation
net: phy: mscc: macsec: reject PN update requests
...
AngeloGioacchino Del Regno is stepping in as co-maintainer for the
MediaTek SoC platform and starts by sending some dts fixes for
the mt8195 platform that had been pending for a while.
On the ixp4xx platform, Krzysztof Halasa steps down as co-maintainer,
reflecting that Linus Walleij has been handling this on his own
for the past few years.
Generic RISC-V kernels are now marked as incompatible with the
RZ/Five platform that requires custom hacks both for managing
its DMA bounce buffers and for addressing low virtual memory.
Finally, there is one bugfix for the AMDTEE firmware driver
to prevent a use-after-free bug.
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Merge tag 'soc-fixes-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"AngeloGioacchino Del Regno is stepping in as co-maintainer for the
MediaTek SoC platform and starts by sending some dts fixes for the
mt8195 platform that had been pending for a while.
On the ixp4xx platform, Krzysztof Halasa steps down as co-maintainer,
reflecting that Linus Walleij has been handling this on his own for
the past few years.
Generic RISC-V kernels are now marked as incompatible with the RZ/Five
platform that requires custom hacks both for managing its DMA bounce
buffers and for addressing low virtual memory.
Finally, there is one bugfix for the AMDTEE firmware driver to prevent
a use-after-free bug"
* tag 'soc-fixes-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
IXP4xx MAINTAINERS entries
arm64: dts: mediatek: mt8195: Set DSU PMU status to fail
arm64: dts: mediatek: fix t-phy unit name
arm64: dts: mediatek: mt8195-demo: update and reorder reserved memory regions
arm64: dts: mediatek: mt8195-demo: fix the memory size to 8GB
MAINTAINERS: Add Angelo as MediaTek SoC co-maintainer
soc: renesas: Make ARCH_R9A07G043 (riscv version) depend on NONPORTABLE
tee: amdtee: fix use-after-free vulnerability in amdtee_close_session
Contrary to common belief, HCR_EL2.TGE has a direct and immediate
effect on the way the EL0 physical counter is offset. Flipping
TGE from 1 to 0 while at EL2 immediately changes the way the counter
compared to the CVAL limit.
This means that we cannot directly save/restore the guest's view of
CVAL, but that we instead must treat it as if CNTPOFF didn't exist.
Only in the world switch, once we figure out that we do have CNTPOFF,
can we must the offset back and forth depending on the polarity of
TGE.
Fixes: 2b4825a869 ("KVM: arm64: timers: Use CNTPOFF_EL2 to offset the physical timer")
Reported-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Tested-by: Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
These will not be trapped by KVM, so don't need a handler.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231012123459.2820835-3-joey.gouly@arm.com
nPIR_EL1 and nPIREO_EL1 are part of the 'reverse polarity' set of bits, set
them so that we disable the traps for a guest. Unfortunately, these bits
are not yet described in the ARM ARM, but only live in the XML description.
Also add them to the NV FGT forwarding infrastructure.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Fixes: e930694e61 ("KVM: arm64: Restructure FGT register switching")
Cc: Oliver Upton <oliver.upton@linux.dev>
[maz: add entries to the NV FGT array, commit message update]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231012123459.2820835-2-joey.gouly@arm.com
There is an allocated and valid struct kvm_pmu_events for each cpu on the
system via DEFINE_PER_CPU(). Hence there cannot be a NULL pointer accessed
via this_cpu_ptr() in the helper kvm_get_pmu_events(). Hence non-NULL check
for pmu in such places are redundant and can be dropped.
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: kvmarm@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231012064617.897346-1-anshuman.khandual@arm.com
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Merge tag 'linux-can-fixes-for-6.6-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2023-10-09
Lukas Magel's patch for the CAN ISO-TP protocol fixes the TX state
detection and wait behavior.
John Watts contributes a patch to only show the sun4i_can Kconfig
option on ARCH_SUNXI.
A patch by Miquel Raynal fixes the soft-reset workaround for Renesas
SoCs in the sja1000 driver.
Markus Schneider-Pargmann's patch for the tcan4x5x m_can glue driver
fixes the id2 register for the tcan4553.
2 patches by Haibo Chen fix the flexcan stop mode for the imx93 SoC.
* tag 'linux-can-fixes-for-6.6-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: tcan4x5x: Fix id2_register for tcan4553
can: flexcan: remove the auto stop mode for IMX93
can: sja1000: Always restart the Tx queue after an overrun
arm64: dts: imx93: add the Flex-CAN stop mode by GPR
can: sun4i_can: Only show Kconfig if ARCH_SUNXI is set
can: isotp: isotp_sendmsg(): fix TX state detection and wait behavior
====================
Link: https://lore.kernel.org/r/20231009085256.693378-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix the fail of the Qualcomm PDC driver on v3.2 hardware which is
caused by a control bit being moved to a different location
- Update the SM8150 device tree PDC resource so the version register can
be read
- Make the Renesas RZG2L driver correct for interrupts which are outside
of the LSB in the TSSR register by using the proper macro for
calculating the mask
- Document the Renesas RZ2GL device tree binding correctly and update
them for a few devices which faul to boot otherwise
- Use the proper accessor in the RZ2GL driver instead of blindly
dereferencing an unchecked pointer
- Make GICv3 handle the dma-non-coherent attribute correctly
- Ensure that all interrupt controller nodes on RISCV are marked as
initialized correctly
Maintainer changes:
- Add a new entry for GIC interrupt controllers and assign Marc Zyngier
as the maintainer
- Remove Marc Zyngier from the core and driver maintainer entries as he
is burried in work and short of time to handle that.
Thanks to Marc for all the great work he has done in the past couple of
years!
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Merge tag 'irq-urgent-2023-10-10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of updates for interrupt chip drivers:
- Fix the fail of the Qualcomm PDC driver on v3.2 hardware which is
caused by a control bit being moved to a different location
- Update the SM8150 device tree PDC resource so the version register
can be read
- Make the Renesas RZG2L driver correct for interrupts which are
outside of the LSB in the TSSR register by using the proper macro
for calculating the mask
- Document the Renesas RZ2GL device tree binding correctly and update
them for a few devices which faul to boot otherwise
- Use the proper accessor in the RZ2GL driver instead of blindly
dereferencing an unchecked pointer
- Make GICv3 handle the dma-non-coherent attribute correctly
- Ensure that all interrupt controller nodes on RISCV are marked as
initialized correctly
Maintainer changes:
- Add a new entry for GIC interrupt controllers and assign Marc
Zyngier as the maintainer
- Remove Marc Zyngier from the core and driver maintainer entries as
he is burried in work and short of time to handle that.
Thanks to Marc for all the great work he has done in the past couple
of years!
Also note that commit 5873d380f4 ("irqchip/qcom-pdc: Add support for
v3.2 HW") has a incorrect SOB chain.
The real author is Neil. His patch was posted by Dmitry once and Neil
picked it up from the list and reposted it with the bogus SOB chain.
Not a big deal, but worth to mention. I wanted to fix that up, but
then got distracted and Marc piled more changes on top. So I decided
to leave it as is instead of rebasing world"
* tag 'irq-urgent-2023-10-10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Remove myself from the general IRQ subsystem maintenance
MAINTAINERS: Add myself as the ARM GIC maintainer
irqchip/renesas-rzg2l: Convert to irq_data_get_irq_chip_data()
irqchip/stm32-exti: add missing DT IRQ flag translation
irqchip/riscv-intc: Mark all INTC nodes as initialized
irqchip/gic-v3: Enable non-coherent redistributors/ITSes DT probing
irqchip/gic-v3-its: Split allocation from initialisation of its_node
dt-bindings: interrupt-controller: arm,gic-v3: Add dma-noncoherent property
dt-bindings: interrupt-controller: renesas,irqc: Add r8a779f0 support
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/G2UL SoC
irqchip: renesas-rzg2l: Fix logic to clear TINT interrupt source
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Update description for '#interrupt-cells' property
arm64: dts: qcom: sm8150: extend the size of the PDC resource
irqchip/qcom-pdc: Add support for v3.2 HW
The DSU PMU allows monitoring performance events in the DSU cluster,
which is done by configuring and reading back values from the DSU PMU
system registers. However, for write-access to be allowed by ELs lower
than EL3, the EL3 firmware needs to update the setting on the ACTLR3_EL3
register, as it is disallowed by default.
That configuration is not done on the firmware used by the MT8195 SoC,
as a consequence, booting a MT8195-based machine like
mt8195-cherry-tomato-r2 with CONFIG_ARM_DSU_PMU enabled hangs the kernel
just as it writes to the CLUSTERPMOVSCLR_EL1 register, since the
instruction faults to EL3, and BL31 apparently just re-runs the
instruction over and over.
Mark the DSU PMU node in the Devicetree with status "fail", as the
machine doesn't have a suitable firmware to make use of it from the
kernel, and allowing its driver to probe would hang the kernel.
Fixes: 37f2582883 ("arm64: dts: Add mediatek SoC mt8195 and evaluation board")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230720200753.322133-1-nfraprado@collabora.com
Link: https://lore.kernel.org/r/20231003-mediatek-fixes-v6-7-v1-5-dad7cd62a8ff@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
dtbs_check throws a warning at t-phy nodes:
Warning (unit_address_vs_reg): /t-phy@1a243000: node has a unit name, but no reg or ranges property
Warning (unit_address_vs_reg): /soc/t-phy@11c00000: node has a unit name, but no reg or ranges property
The ranges is empty thus removing the `@1a243000`, `@11c00000` from
the node name.
Fixes: 6029cae696 ("arm64: dts: mediatek: mt7622: harmonize node names and compatibles")
Fixes: 918aed7abd ("arm64: dts: mt7986: add pcie related device nodes")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230814093931.9298-2-eugen.hristev@collabora.com
Link: https://lore.kernel.org/r/20231003-mediatek-fixes-v6-7-v1-4-dad7cd62a8ff@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The dts file of the MediaTek MT8195 demo board has been updated to include
new reserved memory regions.
These reserved memory regions are:
- SCP
- VPU,
- Sound DMA
- APU.
These regions are defined with the "shared-dma-pool" compatible property.
In addition, the existing reserved memory regions have been reordered by
their addresses to improve readability and maintainability of the DTS
file.
Cc: stable@vger.kernel.org # 6.1, 6.4, 6.5
Fixes: e4a4175201 ("arm64: dts: mediatek: mt8195-demo: fix the memory size of node secmon")
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230905034511.11232-2-macpaul.lin@mediatek.com
Link: https://lore.kernel.org/r/20231003-mediatek-fixes-v6-7-v1-3-dad7cd62a8ff@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Workaround for Cortex-A520 erratum #2966298
- Fix typo in Arm CMN PMU driver that breaks counter overflow handling
- Fix timer handling across idle for Qualcomm custom CPUs
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A typo fix for a PMU driver, a workround for a side-channel erratum on
Cortex-A520 and a fix for the local timer save/restore when using ACPI
with Qualcomm's custom CPUs:
- Workaround for Cortex-A520 erratum #2966298
- Fix typo in Arm CMN PMU driver that breaks counter overflow handling
- Fix timer handling across idle for Qualcomm custom CPUs"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
cpuidle, ACPI: Evaluate LPI arch_flags for broadcast timer
arm64: errata: Add Cortex-A520 speculative unprivileged load workaround
arm64: Add Cortex-A520 CPU part definition
perf/arm-cmn: Fix the unhandled overflow status of counter 4 to 7
imx93 A0 chip use the internal q-channel handshake signal in LPCG
and CCM to automatically handle the Flex-CAN stop mode. But this
method meet issue when do the system PM stress test. IC can't fix
it easily. So in the new imx93 A1 chip, IC drop this method, and
involve back the old way，use the GPR method to trigger the Flex-CAN
stop mode signal. Now NXP claim to drop imx93 A0, and only support
imx93 A1. So here add the stop mode through GPR.
This patch also fix a typo for aonmix_ns_gpr.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/all/20230726112458.3524165-1-haibo.chen@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Having sgtl5000_clk defines as "fixed-clock" is not enough to prevent
the dai subsystem from overwriting the frequency via sgtl5000_set_dai_sysclk.
Setting system-clock-fixed does the job, and now a 1kHz sine wave
comes out as actually 1kHz, no matter the sample rate of the source.
Testcase: These should sound the same:
speaker-test -r 48000 -t sine -f 1000
speaker-test -r 24000 -t sine -f 1000
Also remove the clock link here as having it in sgtl5000 and
sgtl5000_codec causes duplicate clock unprepares with associated
backtrace.
Cc: stable@vger.kernel.org
Fixes: c484cf93f6 ("arm64: dts: rockchip: add PX30-µQ7 (Ringneck) SoM with Haikou baseboard")
Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Link: https://lore.kernel.org/r/20230907151725.198347-2-jakob.unterwurzacher@theobroma-systems.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
If the codec is not the clock master, the MCLK needs to be
synchronous to both I2S_SCL ans I2S_LRCLK. We do not have that
on Haikou, causing distorted audio.
Before:
Running an audio test script on Ringneck, 1kHz
output sine wave is not stable and shows distortion.
After:
10h audio test script loop failed only one time.
That is 0.00014% failure rate.
Cc: stable@vger.kernel.org
Fixes: c484cf93f6 ("arm64: dts: rockchip: add PX30-µQ7 (Ringneck) SoM with Haikou baseboard")
Signed-off-by: Ermin Sunj <ermin.sunj@theobroma-systems.com>
Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Link: https://lore.kernel.org/r/20230907151725.198347-1-jakob.unterwurzacher@theobroma-systems.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Arm® Functional Fixed Hardware Specification defines LPI states,
which provide an architectural context loss flags field that can
be used to describe the context that might be lost when an LPI
state is entered.
- Core context Lost
- General purpose registers.
- Floating point and SIMD registers.
- System registers, include the System register based
- generic timer for the core.
- Debug register in the core power domain.
- PMU registers in the core power domain.
- Trace register in the core power domain.
- Trace context loss
- GICR
- GICD
Qualcomm's custom CPUs preserves the architectural state,
including keeping the power domain for local timers active.
when core is power gated, the local timers are sufficient to
wake the core up without needing broadcast timer.
The patch fixes the evaluation of cpuidle arch_flags, and moves only to
broadcast timer if core context lost is defined in ACPI LPI.
Fixes: a36a7fecfe ("ACPI / processor_idle: Add support for Low Power Idle(LPI) states")
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Oza Pawandeep <quic_poza@quicinc.com>
Link: https://lore.kernel.org/r/20231003173333.2865323-1-quic_poza@quicinc.com
Signed-off-by: Will Deacon <will@kernel.org>
to issues which were introduced after 6.5.
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Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Fourteen hotfixes, eleven of which are cc:stable. The remainder
pertain to issues which were introduced after 6.5"
* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
Crash: add lock to serialize crash hotplug handling
selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
mm, memcg: reconsider kmem.limit_in_bytes deprecation
mm: zswap: fix potential memory corruption on duplicate store
arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
mm: hugetlb: add huge page size param to set_huge_pte_at()
maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
maple_tree: add mas_is_active() to detect in-tree walks
nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
mm: abstract moving to the next PFN
mm: report success more often from filemap_map_folio_range()
fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
These are teh latest bug fixes that have come up in the soc tree.
Most of these are fairly minor. Most notably, the majority of
changes this time are not for dts files as usual.
- Updates to the addresses of the broadcom and aspeed entries in the
MAINTAINERS file.
- Defconfig updates to address a regression on samsung and a build
warning from an unknown Kconfig symbol
- Build fixes for the StrongARM and Uniphier platforms
- Code fixes for SCMI and FF-A firmware drivers, both of which had
a simple bug that resulted in invalid data, and a lesser fix for
the optee firmware driver
- Multiple fixes for the recently added loongson/loongarch "guts"
soc driver
- Devicetree fixes for RISC-V on the startfive platform, addressing
issues with NOR flash, usb and uart.
- Multiple fixes for NXP i.MX8/i.MX9 dts files, fixing problems
with clock, gpio, hdmi settings and the Makefile
- Bug fixes for i.MX firmware code and the OCOTP soc driver
- Multiple fixes for the TI sysc bus driver
- Minor dts updates for TI omap dts files, to address boot
time warnings and errors
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Merge tag 'soc-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are the latest bug fixes that have come up in the soc tree. Most
of these are fairly minor. Most notably, the majority of changes this
time are not for dts files as usual.
- Updates to the addresses of the broadcom and aspeed entries in the
MAINTAINERS file.
- Defconfig updates to address a regression on samsung and a build
warning from an unknown Kconfig symbol
- Build fixes for the StrongARM and Uniphier platforms
- Code fixes for SCMI and FF-A firmware drivers, both of which had a
simple bug that resulted in invalid data, and a lesser fix for the
optee firmware driver
- Multiple fixes for the recently added loongson/loongarch "guts" soc
driver
- Devicetree fixes for RISC-V on the startfive platform, addressing
issues with NOR flash, usb and uart.
- Multiple fixes for NXP i.MX8/i.MX9 dts files, fixing problems with
clock, gpio, hdmi settings and the Makefile
- Bug fixes for i.MX firmware code and the OCOTP soc driver
- Multiple fixes for the TI sysc bus driver
- Minor dts updates for TI omap dts files, to address boot time
warnings and errors"
* tag 'soc-fixes-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (35 commits)
MAINTAINERS: Fix Florian Fainelli's email address
arm64: defconfig: enable syscon-poweroff driver
ARM: locomo: fix locomolcd_power declaration
soc: loongson: loongson2_guts: Remove unneeded semicolon
soc: loongson: loongson2_guts: Convert to devm_platform_ioremap_resource()
soc: loongson: loongson_pm2: Populate children syscon nodes
dt-bindings: soc: loongson,ls2k-pmc: Allow syscon-reboot/syscon-poweroff as child
soc: loongson: loongson_pm2: Drop useless of_device_id compatible
dt-bindings: soc: loongson,ls2k-pmc: Use fallbacks for ls2k-pmc compatible
soc: loongson: loongson_pm2: Add dependency for INPUT
arm64: defconfig: remove CONFIG_COMMON_CLK_NPCM8XX=y
ARM: uniphier: fix cache kernel-doc warnings
MAINTAINERS: aspeed: Update Andrew's email address
MAINTAINERS: aspeed: Update git tree URL
firmware: arm_ffa: Don't set the memory region attributes for MEM_LEND
arm64: dts: imx: Add imx8mm-prt8mm.dtb to build
arm64: dts: imx8mm-evk: Fix hdmi@3d node
soc: imx8m: Enable OCOTP clock for imx8mm before reading registers
arm64: dts: imx8mp-beacon-kit: Fix audio_pll2 clock
arm64: dts: imx8mp: Fix SDMA2/3 clocks
...
When called with a swap entry that does not embed a PFN (e.g.
PTE_MARKER_POISONED or PTE_MARKER_UFFD_WP), the previous implementation of
set_huge_pte_at() would either cause a BUG() to fire (if CONFIG_DEBUG_VM
is enabled) or cause a dereference of an invalid address and subsequent
panic.
arm64's huge pte implementation supports multiple huge page sizes, some of
which are implemented in the page table with multiple contiguous entries.
So set_huge_pte_at() needs to work out how big the logical pte is, so that
it can also work out how many physical ptes (or pmds) need to be written.
It previously did this by grabbing the folio out of the pte and querying
its size.
However, there are cases when the pte being set is actually a swap entry.
But this also used to work fine, because for huge ptes, we only ever saw
migration entries and hwpoison entries. And both of these types of swap
entries have a PFN embedded, so the code would grab that and everything
still worked out.
But over time, more calls to set_huge_pte_at() have been added that set
swap entry types that do not embed a PFN. And this causes the code to go
bang. The triggering case is for the uffd poison test, commit
99aa77215a ("selftests/mm: add uffd unit test for UFFDIO_POISON"), which
causes a PTE_MARKER_POISONED swap entry to be set, coutesey of commit
8a13897fb0 ("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs") -
added in v6.5-rc7. Although review shows that there are other call sites
that set PTE_MARKER_UFFD_WP (which also has no PFN), these don't trigger
on arm64 because arm64 doesn't support UFFD WP.
Arguably, the root cause is really due to commit 18f3962953 ("mm:
hugetlb: kill set_huge_swap_pte_at()"), which aimed to simplify the
interface to the core code by removing set_huge_swap_pte_at() (which took
a page size parameter) and replacing it with calls to set_huge_pte_at()
where the size was inferred from the folio, as descibed above. While that
commit didn't break anything at the time, it did break the interface
because it couldn't handle swap entries without PFNs. And since then new
callers have come along which rely on this working. But given the
brokeness is only observable after commit 8a13897fb0 ("mm: userfaultfd:
support UFFDIO_POISON for hugetlbfs"), that one gets the Fixes tag.
Now that we have modified the set_huge_pte_at() interface to pass the huge
page size in the previous patch, we can trivially fix this issue.
Link: https://lkml.kernel.org/r/20230922115804.2043771-3-ryan.roberts@arm.com
Fixes: 8a13897fb0 ("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs")
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Lorenzo Stoakes <lstoakes@gmail.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: <stable@vger.kernel.org> [6.5+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "Fix set_huge_pte_at() panic on arm64", v2.
This series fixes a bug in arm64's implementation of set_huge_pte_at(),
which can result in an unprivileged user causing a kernel panic. The
problem was triggered when running the new uffd poison mm selftest for
HUGETLB memory. This test (and the uffd poison feature) was merged for
v6.5-rc7.
Ideally, I'd like to get this fix in for v6.6 and I've cc'ed stable
(correctly this time) to get it backported to v6.5, where the issue first
showed up.
Description of Bug
==================
arm64's huge pte implementation supports multiple huge page sizes, some of
which are implemented in the page table with multiple contiguous entries.
So set_huge_pte_at() needs to work out how big the logical pte is, so that
it can also work out how many physical ptes (or pmds) need to be written.
It previously did this by grabbing the folio out of the pte and querying
its size.
However, there are cases when the pte being set is actually a swap entry.
But this also used to work fine, because for huge ptes, we only ever saw
migration entries and hwpoison entries. And both of these types of swap
entries have a PFN embedded, so the code would grab that and everything
still worked out.
But over time, more calls to set_huge_pte_at() have been added that set
swap entry types that do not embed a PFN. And this causes the code to go
bang. The triggering case is for the uffd poison test, commit
99aa77215a ("selftests/mm: add uffd unit test for UFFDIO_POISON"), which
causes a PTE_MARKER_POISONED swap entry to be set, coutesey of commit
8a13897fb0 ("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs") -
added in v6.5-rc7. Although review shows that there are other call sites
that set PTE_MARKER_UFFD_WP (which also has no PFN), these don't trigger
on arm64 because arm64 doesn't support UFFD WP.
If CONFIG_DEBUG_VM is enabled, we do at least get a BUG(), but otherwise,
it will dereference a bad pointer in page_folio():
static inline struct folio *hugetlb_swap_entry_to_folio(swp_entry_t entry)
{
VM_BUG_ON(!is_migration_entry(entry) && !is_hwpoison_entry(entry));
return page_folio(pfn_to_page(swp_offset_pfn(entry)));
}
Fix
===
The simplest fix would have been to revert the dodgy cleanup commit
18f3962953 ("mm: hugetlb: kill set_huge_swap_pte_at()"), but since
things have moved on, this would have required an audit of all the new
set_huge_pte_at() call sites to see if they should be converted to
set_huge_swap_pte_at(). As per the original intent of the change, it
would also leave us open to future bugs when people invariably get it
wrong and call the wrong helper.
So instead, I've added a huge page size parameter to set_huge_pte_at().
This means that the arm64 code has the size in all cases. It's a bigger
change, due to needing to touch the arches that implement the function,
but it is entirely mechanical, so in my view, low risk.
I've compile-tested all touched arches; arm64, parisc, powerpc, riscv,
s390, sparc (and additionally x86_64). I've additionally booted and run
mm selftests against arm64, where I observe the uffd poison test is fixed,
and there are no other regressions.
This patch (of 2):
In order to fix a bug, arm64 needs to be told the size of the huge page
for which the pte is being set in set_huge_pte_at(). Provide for this by
adding an `unsigned long sz` parameter to the function. This follows the
same pattern as huge_pte_clear().
This commit makes the required interface modifications to the core mm as
well as all arches that implement this function (arm64, parisc, powerpc,
riscv, s390, sparc). The actual arm64 bug will be fixed in a separate
commit.
No behavioral changes intended.
Link: https://lkml.kernel.org/r/20230922115804.2043771-1-ryan.roberts@arm.com
Link: https://lkml.kernel.org/r/20230922115804.2043771-2-ryan.roberts@arm.com
Fixes: 8a13897fb0 ("mm: userfaultfd: support UFFDIO_POISON for hugetlbfs")
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> [powerpc 8xx]
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com> [vmalloc change]
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: <stable@vger.kernel.org> [6.5+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Implement the workaround for ARM Cortex-A520 erratum 2966298. On an
affected Cortex-A520 core, a speculatively executed unprivileged load
might leak data from a privileged load via a cache side channel. The
issue only exists for loads within a translation regime with the same
translation (e.g. same ASID and VMID). Therefore, the issue only affects
the return to EL0.
The workaround is to execute a TLBI before returning to EL0 after all
loads of privileged data. A non-shareable TLBI to any address is
sufficient.
The workaround isn't necessary if page table isolation (KPTI) is
enabled, but for simplicity it will be. Page table isolation should
normally be disabled for Cortex-A520 as it supports the CSV3 feature
and the E0PD feature (used when KASLR is enabled).
Cc: stable@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230921194156.1050055-2-robh@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Enable the generic syscon-poweroff driver used on all Exynos ARM64 SoCs
(e.g. Exynos5433) and few APM SoCs.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20230901115732.45854-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There is no code for this config option and enabling it in defconfig
causes warnings from tools which are detecting unused and obsolete
kernel config flags since the flag will be completely missing from
effective build config after "make olddefconfig".
Fixes yocto kernel recipe build time warning:
WARNING: [kernel config]: This BSP contains fragments with warnings:
...
[INFO]: the following symbols were not found in the active
configuration:
- CONFIG_COMMON_CLK_NPCM8XX
The flag was added with commit 45472f1e53
v5.19-rc4-15-g45472f1e5348 so 6.1 and 6.4 stable kernel trees are
affected.
Fixes: 45472f1e53 ("arm64: defconfig: Add Nuvoton NPCM family support")
Cc: stable@kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Bjorn Andersson <quic_bjorande@quicinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Cc: Tomer Maimon <tmaimon77@gmail.com>
Cc: Bruce Ashfield <bruce.ashfield@gmail.com>
Cc: Jon Mason <jon.mason@arm.com>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Ross Burton <ross@burtonini.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mikko Rapeli <mikko.rapeli@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
imx8mm-prt8mm.dts was not getting built. Add it to the build.
Fixes: 58497d7a13 ("arm64: dts: imx: add Protonic PRT8MM board")
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
* Fix EL2 Stage-1 MMIO mappings where a random address was used
* Fix SMCCC function number comparison when the SVE hint is set
RISC-V:
* Fix KVM_GET_REG_LIST API for ISA_EXT registers
* Fix reading ISA_EXT register of a missing extension
* Fix ISA_EXT register handling in get-reg-list test
* Fix filtering of AIA registers in get-reg-list test
x86:
* Fixes for TSC_AUX virtualization
* Stop zapping page tables asynchronously, since we don't
zap them as often as before
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix EL2 Stage-1 MMIO mappings where a random address was used
- Fix SMCCC function number comparison when the SVE hint is set
RISC-V:
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
x86:
- Fixes for TSC_AUX virtualization
- Stop zapping page tables asynchronously, since we don't zap them as
often as before"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX
KVM: SVM: Fix TSC_AUX virtualization setup
KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
KVM: x86/mmu: Stop zapping invalidated TDP MMU roots asynchronously
KVM: x86/mmu: Do not filter address spaces in for_each_tdp_mmu_root_yield_safe()
KVM: x86/mmu: Open code leaf invalidation from mmu_notifier
KVM: riscv: selftests: Selectively filter-out AIA registers
KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
RISC-V: KVM: Fix riscv_vcpu_get_isa_ext_single() for missing extensions
RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers
KVM: selftests: Assert that vasprintf() is successful
KVM: arm64: nvhe: Ignore SVE hint in SMCCC function ID
KVM: arm64: Properly return allocated EL2 VA from hyp_alloc_private_va_range()
The hdmi@3d node's compatible string is "adi,adv7535" instead of
"adi,adv7533" or "adi,adv751*".
Fix the hdmi@3d node by means of:
* Use default register addresses for "cec", "edid" and "packet", because
there is no need to use a non-default address map.
* Add missing interrupt related properties.
* Drop "adi,input-*" properties which are only valid for adv751*.
* Add VDDEXT_3V3 fixed regulator
* Add "*-supply" properties, since most are required.
* Fix label names - s/adv7533/adv7535/.
Fixes: a27335b3f1 ("arm64: dts: imx8mm-evk: Add HDMI support")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Commit 16c9845248 ("arm64: dts: imx8mp: don't initialize audio clocks
from CCM node") removed the Audio clocks from the main clock node, because
the intent is to force people to setup the audio PLL clocks per board
instead of having a common set of rates since not all boards may use
the various audio PLL clocks for audio devices.
This resulted in an incorrect clock rate when attempting to playback
audio, since the AUDIO_PLL2 wasn't set any longer. Fix this by
setting the AUDIO_PLL2 rate inside the SAI3 node since it's the SAI3
that needs it.
Fixes: 16c9845248 ("arm64: dts: imx8mp: don't initialize audio clocks from CCM node")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Commit 16c9845248 ("arm64: dts: imx8mp: don't initialize audio clocks
from CCM node") removed the Audio clocks from the main clock node, because
the intent is to force people to setup the audio PLL clocks per board
instead of having a common set of rates, since not all boards may use
the various audio PLL clocks in the same way.
Unfortunately, with this parenting removed, the SDMA2 and SDMA3
clocks were slowed to 24MHz because the SDMA2/3 clocks are controlled
via the audio_blk_ctrl which is clocked from IMX8MP_CLK_AUDIO_ROOT,
and that clock is enabled by pgc_audio.
Per the TRM, "The SDMA2/3 target frequency is 400MHz IPG and 400MHz
AHB, always 1:1 mode, to make sure there is enough throughput for all
the audio use cases."
Instead of cluttering the clock node, place the clock rate and parent
information into the pgc_audio node.
With the parenting and clock rates restored for IMX8MP_CLK_AUDIO_AHB,
and IMX8MP_CLK_AUDIO_AXI_SRC, it appears the SDMA2 and SDMA3 run at
400MHz again.
Fixes: 16c9845248 ("arm64: dts: imx8mp: don't initialize audio clocks from CCM node")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The PMIC IRQ line is attached to GPIO1_IO03, as indicated by pca9451grp
pinctrl config.
Fixes: c982ecfa79 ("arm64: dts: freescale: add initial device tree for MBa93xxLA SBC board")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Commit 338958e30c ("arm64: dts: qcom: msm8996-xiaomi: drop simple-bus
from clocks") removed "simple-bus" compatible from "clocks" node, but
one of the clocks - divclk1 - is a gpio-gate-clock, which does not have
CLK_OF_DECLARE. This means it will not be instantiated if placed in
some subnode. Move the clocks to the root node, so regular devices will
be populated.
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Closes: https://lore.kernel.org/all/CAA8EJprF==p87oN+RiwAiNeURF1JcHGfL2Ez5zxqYPRRbN-hhg@mail.gmail.com/
Cc: stable@vger.kernel.org
Fixes: 338958e30c ("arm64: dts: qcom: msm8996-xiaomi: drop simple-bus from clocks")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230901081812.19121-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Commit 704e26678c ("arm64: dts: qcom: apq8096-db820c: drop simple-bus
from clocks") removed "simple-bus" compatible from "clocks" node, but
one of the clocks - divclk1 - is a gpio-gate-clock, which does not have
CLK_OF_DECLARE. This means it will not be instantiated if placed in
some subnode. Move the clocks to the root node, so regular devices will
be populated.
Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Closes: https://lore.kernel.org/all/CAA8EJprF==p87oN+RiwAiNeURF1JcHGfL2Ez5zxqYPRRbN-hhg@mail.gmail.com/
Cc: stable@vger.kernel.org
Fixes: 704e26678c ("arm64: dts: qcom: apq8096-db820c: drop simple-bus from clocks")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230901081812.19121-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
ClearBHB support is indicated by the CLRBHB field in ID_AA64ISAR2_EL1.
Following some refactoring the kernel incorrectly checks the BC field
instead. Fix the detection to use the right field.
(Note: The original ClearBHB support had it as FTR_HIGHER_SAFE, but this
patch uses FTR_LOWER_SAFE, which seems more correct.)
Also fix the detection of BC (hinted conditional branches) to use
FTR_LOWER_SAFE, so that it is not reported on mismatched systems.
Fixes: 356137e68a ("arm64/sysreg: Make BHB clear feature defines match the architecture")
Fixes: 8fcc8285c0 ("arm64/sysreg: Convert ID_AA64ISAR2_EL1 to automatic generation")
Cc: stable@vger.kernel.org
Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230912133429.2606875-1-kristina.martsenko@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
"mediatek,merge-mute" and "mediatek,merge-fifo-en" properties are defined
and used as boolean properties which in DT have no value.
Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230830195650.704737-1-robh@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There are several PMICs with GPIO nodes and one of the nodes referenced
other's in gpio-ranges which could result in deferred-probes like:
qcom-spmi-gpio c440000.spmi:pmic@2:gpio@8800: can't add gpio chip
Reported-by: Brian Masney <bmasney@redhat.com>
Closes: https://lore.kernel.org/all/ZN5KIlI+RDu92jsi@brian-x1/
Fixes: e5a893a7ce ("arm64: dts: qcom: sa8775p: add PMIC GPIO controller nodes")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Tested-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230818135538.47481-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Follow the example of other platforms and extend the PDC resource region
to 0x30000, so that the PDC driver can read the PDC_VERSION register.
Fixes: 397ad94668 ("arm64: dts: qcom: sm8150: Add pdc interrupt controller node")
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230905-topic-sm8x50-upstream-pdc-ver-v4-2-fc633c7df84b@linaro.org
When SVE is enabled, the host may set bit 16 in SMCCC function IDs, a
hint that indicates an unused SVE state. At the moment NVHE doesn't
account for this bit when inspecting the function ID, and rejects most
calls. Clear the hint bit before comparing function IDs.
About version compatibility: the host's PSCI driver initially probes the
firmware for a SMCCC version number. If the firmware implements a
protocol recent enough (1.3), subsequent SMCCC calls have the hint bit
set. Since the hint bit was reserved in earlier versions of the
protocol, clearing it is fine regardless of the version in use.
When a new hint is added to the protocol in the future, it will be added
to ARM_SMCCC_CALL_HINTS and NVHE will handle it straight away. This
patch only clears known hints and leaves reserved bits as is, because
future SMCCC versions could use reserved bits as modifiers for the
function ID, rather than hints.
Fixes: cfa7ff959a ("arm64: smccc: Support SMCCC v1.3 SVE register saving hint")
Reported-by: Ben Horgan <ben.horgan@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230911145254.934414-4-jean-philippe@linaro.org
Marek reports that his RPi4 spits out a warning at boot time,
right at the point where the GICv2 virtual CPU interface gets
mapped.
Upon investigation, it seems that we never return the allocated
VA and use whatever was on the stack at this point. Yes, this
is good stuff, and Marek was pretty lucky that he ended-up with
a VA that intersected with something that was already mapped.
On my setup, this random value is plausible enough for the mapping
to take place. Who knows what happens...
Fixes: f156a7d13f ("KVM: arm64: Remove size-order align in the nVHE hyp private VA range")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/79b0ad6e-0c2a-f777-d504-e40e8123d81d@samsung.com
Link: https://lore.kernel.org/r/20230828153121.4179627-1-maz@kernel.org
* The kernel now dynamically probes for misaligned access speed, as
opposed to relying on a table of known implementations.
* Support for non-coherent devices on systems using the Andes AX45MP
core, including the RZ/Five SoCs.
* Support for the V extension in ptrace(), again.
* Support for KASLR.
* Support for the BPF prog pack allocator in RISC-V.
* A handful of bug fixes and cleanups.
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Merge tag 'riscv-for-linus-6.6-mw2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- The kernel now dynamically probes for misaligned access speed, as
opposed to relying on a table of known implementations.
- Support for non-coherent devices on systems using the Andes AX45MP
core, including the RZ/Five SoCs.
- Support for the V extension in ptrace(), again.
- Support for KASLR.
- Support for the BPF prog pack allocator in RISC-V.
- A handful of bug fixes and cleanups.
* tag 'riscv-for-linus-6.6-mw2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (25 commits)
soc: renesas: Kconfig: For ARCH_R9A07G043 select the required configs if dependencies are met
riscv: Kconfig.errata: Add dependency for RISCV_SBI in ERRATA_ANDES config
riscv: Kconfig.errata: Drop dependency for MMU in ERRATA_ANDES_CMO config
riscv: Kconfig: Select DMA_DIRECT_REMAP only if MMU is enabled
bpf, riscv: use prog pack allocator in the BPF JIT
riscv: implement a memset like function for text
riscv: extend patch_text_nosync() for multiple pages
bpf: make bpf_prog_pack allocator portable
riscv: libstub: Implement KASLR by using generic functions
libstub: Fix compilation warning for rv32
arm64: libstub: Move KASLR handling functions to kaslr.c
riscv: Dump out kernel offset information on panic
riscv: Introduce virtual kernel mapping KASLR
RISC-V: Add ptrace support for vectors
soc: renesas: Kconfig: Select the required configs for RZ/Five SoC
cache: Add L2 cache management for Andes AX45MP RISC-V core
dt-bindings: cache: andestech,ax45mp-cache: Add DT binding documentation for L2 cache controller
riscv: mm: dma-noncoherent: nonstandard cache operations support
riscv: errata: Add Andes alternative ports
riscv: asm: vendorid_list: Add Andes Technology to the vendors list
...
- Fix an incorrect mask in the CXL PMU driver
- Fix a regression in early parsing of the kernel command line
- Fix an IP checksum OoB access reported by syzbot
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The main one is a fix for a broken strscpy() conversion that landed in
the merge window and broke early parsing of the kernel command line.
- Fix an incorrect mask in the CXL PMU driver
- Fix a regression in early parsing of the kernel command line
- Fix an IP checksum OoB access reported by syzbot"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: csum: Fix OoB access in IP checksum code for negative lengths
arm64/sysreg: Fix broken strncpy() -> strscpy() conversion
perf: CXL: fix mismatched number of counters mask
Alexandre Ghiti <alexghiti@rivosinc.com> says:
The following KASLR implementation allows to randomize the kernel mapping:
- virtually: we expect the bootloader to provide a seed in the device-tree
- physically: only implemented in the EFI stub, it relies on the firmware to
provide a seed using EFI_RNG_PROTOCOL. arm64 has a similar implementation
hence the patch 3 factorizes KASLR related functions for riscv to take
advantage.
The new virtual kernel location is limited by the early page table that only
has one PUD and with the PMD alignment constraint, the kernel can only take
< 512 positions.
* b4-shazam-merge:
riscv: libstub: Implement KASLR by using generic functions
libstub: Fix compilation warning for rv32
arm64: libstub: Move KASLR handling functions to kaslr.c
riscv: Dump out kernel offset information on panic
riscv: Introduce virtual kernel mapping KASLR
Link: https://lore.kernel.org/r/20230722123850.634544-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Linus Torvalds